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TinyC upgrade (#6593)

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This commit is contained in:
Dmitry Atamanov 2017-10-28 10:25:56 +03:00 • committed by Andreas Rumpf
commit d2c7d391c8
395 changed files with 68184 additions and 32394 deletions
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28
tinyc/il-gen.c
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@ -18,6 +18,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#error this code has bit-rotted since 2003
/* number of available registers */
#define NB_REGS 3
@ -41,7 +43,7 @@ enum {
REG_ST2,
};
int reg_classes[NB_REGS] = {
const int reg_classes[NB_REGS] = {
/* ST0 */ RC_ST | RC_ST0,
/* ST1 */ RC_ST | RC_ST1,
/* ST2 */ RC_ST,
@ -53,11 +55,11 @@ int reg_classes[NB_REGS] = {
#define REG_FRET REG_ST0 /* float return register */
/* defined if function parameters must be evaluated in reverse order */
//#define INVERT_FUNC_PARAMS
/* #define INVERT_FUNC_PARAMS */
/* defined if structures are passed as pointers. Otherwise structures
are directly pushed on stack. */
//#define FUNC_STRUCT_PARAM_AS_PTR
/* #define FUNC_STRUCT_PARAM_AS_PTR */
/* pointer size, in bytes */
#define PTR_SIZE 4
@ -193,7 +195,7 @@ static void il_type_to_str(char *buf, int buf_size,
pstrcat(buf, buf_size, tstr);
break;
case VT_STRUCT:
error("structures not handled yet");
tcc_error("structures not handled yet");
break;
case VT_FUNC:
s = sym_find((unsigned)t >> VT_STRUCT_SHIFT);
@ -387,7 +389,7 @@ void gfunc_start(GFuncContext *c, int func_call)
void gfunc_param(GFuncContext *c)
{
if ((vtop->t & VT_BTYPE) == VT_STRUCT) {
error("structures passed as value not handled yet");
tcc_error("structures passed as value not handled yet");
} else {
/* simply push on stack */
gv(RC_ST0);
@ -441,6 +443,7 @@ void gfunc_prolog(int t)
/* if the function returns a structure, then add an
implicit pointer parameter */
func_vt = sym->t;
func_var = (sym->c == FUNC_ELLIPSIS);
if ((func_vt & VT_BTYPE) == VT_STRUCT) {
func_vc = addr;
addr++;
@ -528,19 +531,6 @@ int gtst(int inv, int t)
t = gjmp(t);
gsym(vtop->c.i);
}
} else {
if (is_float(vtop->t)) {
vpushi(0);
gen_op(TOK_NE);
}
if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_FORWARD)) == VT_CONST) {
/* constant jmp optimization */
if ((vtop->c.i != 0) != inv)
t = gjmp(t);
} else {
v = gv(RC_INT);
t = out_opj(IL_OP_BRTRUE - inv, t);
}
}
vtop--;
return t;
@ -612,7 +602,7 @@ void gen_opi(int op)
}
/* generate a floating point operation 'v = t1 op t2' instruction. The
two operands are guaranted to have the same floating point type */
two operands are guaranteed to have the same floating point type */
void gen_opf(int op)
{
/* same as integer */